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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group

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<h4><a name = "tag_000_000_381">&nbsp;</a>NAME</h4><blockquote>
flash - flash the screen
</blockquote><h4><a name = "tag_000_000_382">&nbsp;</a>SYNOPSIS</h4><blockquote>
<pre><code>

#include &lt;<a href="curses.h.html">curses.h</a>&gt;

int flash(void);
</code>
</pre>
</blockquote><h4><a name = "tag_000_000_383">&nbsp;</a>DESCRIPTION</h4><blockquote>
The
<i>flash()</i>
function alerts the user.  It flashes the screen, or if that is not possible,
it sounds the audible alarm on the terminal.
If neither signal is possible, nothing happens.
</blockquote><h4><a name = "tag_000_000_384">&nbsp;</a>RETURN VALUE</h4><blockquote>
The
<i>flash()</i>
function always returns OK.
</blockquote><h4><a name = "tag_000_000_385">&nbsp;</a>ERRORS</h4><blockquote>
No errors are defined.
</blockquote><h4><a name = "tag_000_000_386">&nbsp;</a>APPLICATION USAGE</h4><blockquote>
Nearly all terminals have an audible alarm, but only some can flash the
screen.
</blockquote><h4><a name = "tag_000_000_387">&nbsp;</a>SEE ALSO</h4><blockquote>
<i><a href="beep.html">beep()</a></i>,
<i><a href="curses.h.html">&lt;curses.h&gt;</a></i>.
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UNIX &reg; is a registered Trademark of The Open Group.<br>
Copyright &copy; 1997 The Open Group
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